00351nas a2200145   4500000000100000008004100001100001600042700001600058700001700074700001400091700001400105700001500119245005700134022001400191       2021                            d1 aD. Abrahami1 aE. McDonald1 aM. Schnitzer1 aA. Barkun1 aS. Suissa1 aL. Azoulay00aProton pump inhibitors and risk of colorectal cancer  a0017-5749